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Old 05-31-2010, 05:58 PM   #1
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Grey ( Poly ) to PEX connections


Hi, I have a 20 yr old house with what I assume to be the grey Poly plumbing. I want to plumb in a 1/2 bath in the basement and have no trouble getting a cold pipe into which I can put a Poly to PEX adaptor, however, the Hot water is another story. It looks like I will have to cut a Hot pipe in two, and put in a TEE to get the feed to the wash basin. My problem is that so far I can't seem to locate a Tee, which will allow the connection between the two grey Poly pipes but have a PEX acceptable outlet so that I can run it to the new sink. Is there such a thing and if not, is there any way around this? Many thanks in advance for your help!

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Old 05-31-2010, 07:39 PM   #2
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Grey ( Poly ) to PEX connections


Shark bite T will work. All the big box stores carry them.

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Old 05-31-2010, 07:54 PM   #3
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Grey ( Poly ) to PEX connections


I assume by poly you mean PB pipe. If you do not want to use the Sharkbite. Cut a 12" section out of the PB, use 2 PB to PEX adapters with a 1 foot section of PEX to reconnect. Cut the PRX in half and put in a PEX tee.
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Old 05-31-2010, 08:04 PM   #4
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Grey ( Poly ) to PEX connections


I'd be more apt to using the sharkbite tee. Those polybutelene fittings and crimp rings and pipe are known to fail... why put in another one thats bound to fail anyway?
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Old 05-31-2010, 09:15 PM   #5
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Grey ( Poly ) to PEX connections


Many thanks for all the replies. So far all the crimp connections have served me well, so I have no worries on that front. I think the two PB to PAX adaptors running into the PAX 12" + Tee, sounds like a good plan ( Never thought of that! D'OH!)

Again, many thanks Guys!
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